CN102259607A - Headrest for motor-vehicle seat - Google Patents
Headrest for motor-vehicle seat Download PDFInfo
- Publication number
- CN102259607A CN102259607A CN2011101263068A CN201110126306A CN102259607A CN 102259607 A CN102259607 A CN 102259607A CN 2011101263068 A CN2011101263068 A CN 2011101263068A CN 201110126306 A CN201110126306 A CN 201110126306A CN 102259607 A CN102259607 A CN 102259607A
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- Prior art keywords
- headrest
- spring
- operating element
- mating reaction
- draw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
- B60N2/818—Head-rests movable or adjustable vertically slidable characterised by their locking devices with stepwise positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
- B60N2/809—Head-rests movable or adjustable vertically slidable
- B60N2/812—Head-rests movable or adjustable vertically slidable characterised by their locking devices
- B60N2/815—Release mechanisms, e.g. buttons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/894—Head-rests with rods solidly attached to the back-rest
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
A headrest has a generally vertical rod mountable in a motor-vehicle seat and formed with a plurality of vertically spaced and horizontally open notches, a support vertically movable along the rod and adapted to carry a head cushion, and a latch element vertically fixed on the support and shiftable on the support between a latched position engaged in one of the notches and locking the support on the rod against downward movement and an unlatched position disengaged from the rod and permitting free vertical movement of the support on the rod. An actuating element is pivotal about an axis on the support between an actuated position holding the latch element in the disengaged position and a rest position with the latch element in the engaged position.
Description
Technical field
The present invention relates to a kind of as claim 1 headrest as described in the preamble.
Background technology
A kind of headrest is disclosed by EP0 916 549 B1, wherein be equipped with one relatively the head of cramp bar adjustment height prop up by part.By Locking Device, head props up by part and can be locked on the diverse location.Between propping up by two positions on the part, head is supported with a slide block movably.Be fixed with two springs on slide block, one of them spring arm is fixed and is pressed on the slide block, and outside being exposed to, and can mesh with the draw-in groove of cramp bar.Second spring arm is supported on head and props up by on the part.In this way, first spring arm is meshed by loading effect and draw-in groove.Move by a function unit and by straight line, slide block can move to the releasing position, and in this releasing position, first spring arm of two springs does not all mesh with draw-in groove.
In by the disclosed headrest of DE 20 2,005 016 130U1, be equipped with and prop up by part relative to the head that cramp bar moves.By Locking Device, head props up by part can be locked in different height and positions.On head props up by part stopper pin has been installed so, that is, this stopper pin can mesh with the draw-in groove of cramp bar.Stopper pin is separately fixed on the connecting rod and two connecting rods connect movably by a double-arm lever.In order to make Locking Device move into unlocked position, the connecting rod of first stopper pin can be promoted by translation by button, push away in the opposite direction by the connecting rod of double-arm lever simultaneously, thereby discharge stopper pin by the draw-in groove on the medial surface that is positioned at cramp bar with second stopper pin.
In the subject schemes of DE 196 30 473 A1, be bearing in to adjustable height head on the cramp bar and prop up by the locking of part and realize, but one of them spring arm stationary positioned is on head props up by part and the engagement of the draw-in groove loose-style of another spring arm and cramp bar by two springs.A pull bar is fixed on the handle.This pull bar with the other end zone location on spring arm freely.By operating handle, shortened the drift of pull bar, simultaneously free spring arm is moved and breaks away from engagement with draw-in groove.But handle can motion of translation ground or rotatable motion be supported.
In a kind of optional form of implementation of the subject schemes of DE 196 30 473 A1, the locking spring is made of torsion bar spring, the free end zone of this torsion bar spring and the draw-in groove mating reaction of cramp bar.The middle section mating reaction of handle and torsion bar spring promptly bends torsion bar spring by operating handle, and makes the free end zone move and the draw-in groove of disengaging cramp bar.
In addition, DE 103 12 517 A1 and DE 10 2,005 058 112A1 also disclose this headrest.
Summary of the invention
The objective of the invention is, a kind of setting device of being used to adjust height and can the low-cost headrest of making of having is provided.In addition, this setting device should be constructed to, and requires to take few structure space.
Above-mentioned purpose is achieved by the headrest with claim 1 feature.
This headrest comprises that head props up by part, and this head props up by part and is supported at least one cramp bar, and this cramp bar links to each other with the backrest of seat.For example, this head props up by part and can be fixed on the basic component, and this basic component is supported on one or two cramp bars.Since head prop up by part relatively cramp bar move or cramp bar can move relative to the supporting base that is fixed on the backrest, so headrest can be adjusted highly.By Locking Device, this head props up by part and can be locked on the different height and positions.
Locking Device comprises draw-in groove and at least one locking member that is configured on the cramp bar, and wherein this locking member zone can be meshed with draw-in groove, is locked at certain height so that head propped up by part.Locking member for example can be made of spring.According to an optional scheme, locking member can be made of the rigidity latch that bears reset force.Spring or latch for example can be in the draw-in groove engagements of bearing under the state of reset force with cramp bar.
Under the situation of double base bar,, two locking members for example can be set for head props up locking by part.According to an optional form of implementation, a locking member with two cramp bar mating reactions can be set.For example, a spring can have the first end zone of two free end zones and spring and the draw-in groove mating reaction of first cramp bar, the draw-in groove mating reaction of the second end zone and second cramp bar.
The draw-in groove of cramp bar for example can be arranged on the cramp bar towards on the front side of travel direction or on the cramp bar on the dorsal part of automobile rear direction.Under meaning of the present invention, the notion of draw-in groove comprises the recess of the form of ownership on the cramp bar, comprise round on the cramp bar or the part around recess.
The Locking Device adjustment that can between lock position and unlocked position, be shifted.In lock position, for example zone of at least one zone, the especially spring of locking member and draw-in groove engagement can not be moved along at least one direction in vertical direction thereby head is propped up by part.In lock position, for example locking member also can be in an engagement front position, from this position play prop up the engagement that enters automatically by the height of part with draw-in groove by the fine setting head till, locking member is transportable.Latter event is: though Locking Device is moved toward lock position, owing to this locking member is between two draw-in grooves, so this locking member can not mesh with draw-in groove.In this case, need moving-head to prop up by part, up to locking member till can embedding draw-in groove under the effect of elastic reset power.In unlocked position, at least one zone of locking member or this locking member breaks away from the engagement with draw-in groove, and head props up by part and just can carry out height adjustment like this.
If the draw-in groove mating reaction of each independent zone of a locking member that some are independent or a locking member and two independent cramp bars, each locking member or each zone for example move up in identical first party and mesh or move up and jump out of mesh in identical second party.No matter be first direction or second direction, under meaning of the present invention, can be moving direction straight line or curve or also can be the combination of different motion.
For example, the draw-in groove on the cramp bar can be constructed as follows: at the lock position of Locking Device, head props up by part moving on first direction to be checked, but can move up in second party.For example, in lock position, head props up by part and can not move still and can move according to extracting direction (making progress) according to pushing direction (downwards).According to an optional scheme, in lock position, head props up by part all to be checked moving on the first direction and on second direction.
Locking Device for example bears the reset force of at least a reposition element and is placed in lock position.
Locking Device comprise have can rotating operating element operating control, for example this operating element is positioned at first rotary position when Locking Device is in lock position, this operating element is positioned at second rotary position when Locking Device is in the unlocked position.Operating element and locking member mating reaction, wherein, when operating element was mobile between first rotary position and second rotary position, moved between engage position and disengaged orientation at least one zone of this locking member, especially spring or this spring.In engage position, locking member and draw-in groove engagement are perhaps propped up at head and are moved the embedding draw-in groove under the situation about moving by part.In disengaged orientation, locking member breaks away from the engagement with draw-in groove.
For example, by operating element moving, can make locking member move to disengaged orientation from engage position from first rotary position to second rotary position.In case operating element no longer remains in second rotary position, elastic reset power just can make locking member turn back to engage position.At this, for example locking member carry out reset movement and for example operating element also carry out reset movement from second rotary position to first rotary position.Simultaneously, other elements of handling device also can reset to the initial position.
The operating control of headrest of the present invention is only required and is taken very little structure space, therefore also just can produce and take the little headrest of structure space.In addition, just can implement adjusting by small operating effort to this headrest.
A form of implementation is characterised in that: operating element is constructed to lever.For example, operating element can be configured to single-arm lever or double-arm lever.First throw of lever of this lever for example can contact with locking member, so that this locking member moves to the engagement with the draw-in groove of the draw-in groove engagement of cramp bar or disengaging and cramp bar.Throw of lever for example can contact with locking member indirectly or directly.Second throw of lever can with can be by the control setup mating reaction of user operation.Under the situation of using the multi-arm lever,, under the situation of high Clamping force, also can enough small power come the operable lock locking apparatus by the selection lever arm.
Another structure design-calculated of the present invention is characterised in that: operating control comprises a control setup, and by this control setup, operating element can move between first rotary position and second rotary position.This control setup for example can comprise the executive component that can operate from the outside, for example a button.This executive component for example can be provided with and be installed in head and prop up outside by part.In addition, control setup for example can also comprise a control element with the operating element mating reaction.
Locking member and control setup for example can be by some component set-ups independently, and these parts for example connect in motion only by operating element connection interact with each other.Locking member and control setup are for example by the component set-up of some separate support.
A structure design-calculated of the present invention is characterised in that: but control setup comprises the sliding part or a S. A. of a motion of translation.The control element of this sliding part or S. A. configuration example such as control setup.For example, sliding part can with operating element mating reaction like this, that is, and by the mobile gyroscopic movement that causes operating element of sliding part.According to an optional scheme, for example at least one operating element can be fixed on the S. A..So operating element can rotatablely moving and turn round with this S. A..For example, sliding part can move along an axis, and this axis is parallel with the axis of revolution of operating element.
Another form of implementation is characterised in that: operating control comprises converter, and by this converter, straight-line motion can be converted into and rotatablely move.For example, executive component can be constructed to carry out straight-line motion, and control element is constructed to the S. A. that can rotatablely move.For example in this case, be that rotatablely moving of S. A. is provided with this converter for movement conversion with executive component.According to an optional scheme, for example executive component and control element can motion of translations, especially according to identical direction.For example in this case, for moving the gyroscopic movement that is converted to operating element, the straight line with control element is provided with this converter.A plurality of converters can be set.For example, can first converter be set between the control element and first operating element and between the control element and second operating element, second converter be set.
The another one embodiment is characterised in that: spring breaks away from and the ingear motion of draw-in groove for the gyroscopic movement with operating element is converted to, operating element especially has at least one face at second rotary position, and this face tilt is in the plane that is become between two cramp bars.By operating element moving from first rotary position to second rotary position, for example described enters contact condition with spring.Consequently, for example the end regions of spring is moved and breaks away from engagement with draw-in groove.
In order to limit the degree of freedom of locking member, can on head props up by part, spigot surface be set.In this way, for example locking member can so be led, and promptly locking member moves along certain direction and breaks away from the engagement of draw-in groove and enter engagement.
Another structure design-calculated of the present invention is characterised in that: Locking Device has at least two operating elements, wherein first operating element and the first ' locked ' zone mating reaction, second operating element and the second ' locked ' zone mating reaction.For example, first ' locked ' zone and second ' locked ' zone can be disposed at a locking member, and especially a spring perhaps is disposed at two different locking members according to possibility, especially two springs independently.For example, Locking Device can comprise a spring element, the wherein draw-in groove mating reaction of first cramp bar of first spring zone and headrest, the draw-in groove mating reaction of second cramp bar of second spring zone and headrest.As selection, for example first spring can with the draw-in groove mating reaction of first cramp bar, second spring can with the draw-in groove mating reaction of second cramp bar.
The another one form of implementation is characterised in that: operating control comprises coupling, and by this coupling, each operating element can move when operating control is operated simultaneously.For example, this coupling can be made of push rod.This push rod for example can be connected with two operating element radial types.As selection, this coupling for example can be made of axis of revolution, and two operating elements are fixed on this axis of revolution.
The another one form of implementation is characterised in that: headrest comprises two cramp bars, and the especially first area and the first cramp bar mating reaction, the second area of locking member and the second cramp bar mating reaction of spring of locking member.
According to another kind of structure design according to the present invention, respectively have a locking member, for example spring respectively with a cramp bar mating reaction.
The feature of another one form of implementation in: locking member is constructed to spring, especially torsion bar spring.This spring has support region, for example is fixed on head by this spring of this support region and props up by on the part.For example, can be provided with one with the draw-in groove of first cramp bar and with the torsion bar spring of the draw-in groove mating reaction of second cramp bar.For example, the middle section of this torsion bar spring can be supported in head and props up by on the part.At least this torsion bar spring zone and draw-in groove mating reaction.For example, but but the first free end zone of this torsion bar spring can with the second free end zone of the engagement of the draw-in groove loose-style of first cramp bar and this torsion bar spring can with the draw-in groove loose-style engagement of second cramp bar.As selection, can an independent torsion bar spring be set for each cramp bar, wherein, but one of this torsion bar spring zone respectively can with the loose-style engagement of one of the draw-in groove of cramp bar.
According to an optional scheme, for example replace torsion bar spring, locking member can by any can be thinkable other spring constitute, as belleville spring or bow type spring.At this, for example at least one end regions of spring or at least one central region can with the draw-in groove mating reaction of at least one cramp bar.
The another one form of implementation is characterised in that: the free end zone mating reaction of operating element and spring.For example, can between the support region of spring and at least one ' locked ' zone, implement operation, this ' locked ' zone and draw-in groove mating reaction by operating element.According to an optional scheme, described at least one ' locked ' zone is set, between support region and free end zone in the operation of this free end location enforcement by operating element.According to the another one possibility, operating element also can with the central region mating reaction of spring.For example, two of spring end regions all have support region and implement operation by operating element between this support regions.
Another form of implementation is characterised in that: be provided with two bearings that are spaced apart from each other, and operating element and spring be configured in central region mating reaction between the bearing.In this way, for example the free end zone of spring can be moved and draw-in groove engagement or jump out of mesh.In this case, operating control also can include only an operating element.
Another structure design-calculated of the present invention is characterised in that: Locking Device is under the state of the reset force that bears at least one reposition element and place lock position.For example, Locking Device can move to unlocked position by the operation of executive component, and when executive component is no longer handled, because the removable lock position of getting back to of reset force of reposition element.This reposition element can be made of the spring with the cramp bar mating reaction.As selecting or additionally, an independent reposition element can be set, an independent spring for example.
Description of drawings
Can draw other advantage by the embodiment shown in the figure.In the accompanying drawing:
Fig. 1 is the back view of the headrest of first form of implementation, wherein not shown headrest bolster;
Fig. 2 is the scheme drawing of line of vision II shown in Figure 1;
Fig. 3 is the perspective diagram of the Locking Device of headrest, and wherein not shown head props up by part;
Fig. 4 is in the front view that the part of the Locking Device of lock position is dissectd;
Fig. 5 is for pressing the cutaway view of the V-V of cutting line shown in Fig. 4;
Fig. 6 is a view of copying the Locking Device of Fig. 5 to be in the unlocked position;
Fig. 7 is the perspective diagram of the Locking Device of second kind of form of implementation, and wherein not shown head props up by part;
Fig. 8 is the front schematic view of the headrest that is in lock position of the 3rd form of implementation, and wherein not shown head props up by part;
Fig. 8 a is for pressing the cutaway view of the VIIIa-VIIIa of cutting line shown in Fig. 8;
Fig. 9 is for pressing the partial view of the line of local flag shown in Fig. 8 IX;
Figure 10 is a view of copying the headrest of Fig. 8 to be in the unlocked position;
Figure 11 is for pressing the cutaway view of the XI-XI of cutting line shown in Fig. 8; With
Figure 12 is for pressing the cutaway view of the XII-XII of cutting line shown in Figure 10.
The specific embodiment
In the accompanying drawings generally with Reference numeral 10 expression headrests.In variant accompanying drawing, same reference numerals is represented corresponding parts, and situation additional or that omit lowercase is also arranged.
Show a headrests for vehicular seats in these embodiments.This headrest 10 comprises that the head that is fixed on cramp bar 12a and the 12b props up by part 11. Cramp bar 12a and 12b are installed in the supporting base of unshowned vehicle seat back.In head props up by part 11, be provided with and be used to support the end regions 34a of described cramp bar 12a and 12b and supporting base 35a and the 35b of 34b.Based on this supporting, when Locking Device 13 was in the unlocked position, head propped up by part 11 cramp bar 12a relatively, and 12b is according to direction z1, and z2 moves.When Locking Device 13 was in lock position, head propped up by part 11 and cannot move relative to cramp bar 12a and 12b according to direction z2.According to optional, a unshowned form of implementation, when being in lock position, both can check according to the moving of direction z1, also can check moving according to direction z2.
What Fig. 2 illustrated is that head props up the lateral plan by part 11.This head props up by part 11 and comprises head abutment face 33, and this head abutment face is used to support the not shown occupant's who goes out head.When by reclining of head when head abutment face 33 upper edge direction x2 (x-axle parallel with travel direction and be roughly horizontal orientation) produce power F, this head abutment face 33 plays the effect of supporting base.
There is a sliding part 15 in motion, to be connected (illustration is seen Fig. 3 and Fig. 4) with executive component 18.In the present embodiment, this sliding part 15 is constructed to push rod, and its longitudinal axis L is parallel with the y-axle basically.When executive component 18 moved according to direction y1, sliding part 15 moved according to direction y1 along longitudinal axis L too.
Sliding part 15 and operating element 19a and 19b mating reaction and constitute converter jointly. Operating element 19a and 19b are provided with supporting neck 22 respectively in both sides, this supporting neck is bearing in head and props up in the supporting base 32 by part 11 (not shown supporting base 32 among Fig. 4).In this way, operating element 19a and 19b can turn round around axis of revolution a1 between the first revolution position and the second revolution position.Each operating element 19a and 19b are configured to double-arm lever and comprise first throw of lever 25 and second throw of lever 26.For example as the more detailed diagram of Fig. 4, second throw of lever 26 and spring 23a mating reaction of operating element 19a, second throw of lever 26 and spring 23b mating reaction of operating element 19b.Spring 23a comprises fixed area 29 and free end zone 28a.Spring 23b comprises fixed area 29 and free end zone 28b.
As shown in Figure 4, first throw of lever 25 of operating element 19a is provided with dip plane 20a and 21a, and first lever 25 of operating element 19b is provided with dip plane 20b and 21b.The dip plane 16a mating reaction of dip plane 20a and sliding part 15, the dip plane 16b mating reaction of dip plane 20b and sliding part 15.The dip plane 17a mating reaction of dip plane 21a and sliding part 15, the dip plane 17b mating reaction of dip plane 21b and sliding part 15.
When sliding part 15 moves according to direction y1, because the mating reaction of dip plane 16a/20a and 16b/20b, operating element 19a and 19b move into second rotary position that illustrates among Fig. 6 around axis of revolution a1 by first rotary position that illustrates among Fig. 5 according to direction u1.In the same way, when the lock position that illustrates in by Fig. 4 when sliding part 15 moves according to direction y2, because the mating reaction of dip plane 17a/21a and 17b/21b, operating element 19a and 19b move into second rotary position that illustrates among Fig. 6 around axis of revolution a1 by first rotary position that illustrates among Fig. 5 according to direction u1.
Therefore there is following possibility,, can makes the Locking Device displacement be adjusted to unlocked position promptly by executive component 18 is moved according to direction y1 and direction y2.In addition, the same parts of Locking Device can also be applied in the different form of implementation of headrest, for example wherein first form of implementation is the form of implementation that illustrates among Fig. 4.Executive component 18 is set at the left side of headrest 10 in first form of implementation that one side illustrates in Fig. 4, also it can be arranged on the right of headrest on the other hand in second form of implementation.
Shown in Fig. 4,5 and 6, when displacement is adjusted to unlocked position, the contact surface 24 of second throw of lever 26 of operating element 19a makes the end regions 28a of spring 23a move according to direction x1 and breaks away from engagement with draw-in groove 27, and the contact surface 24 of operating element 19b makes the free end zone 28b of spring 23b move according to direction x1 and breaks away from the engagement of draw-in groove 27 and enter disengaged orientation.The front side 52 towards direction x1 on every cramp bar 12a and the 12b is provided with a plurality of draw-in grooves 27.Contact surface 24 and the plane E that is become with the z-axle by the y-axle form angle α 1 (this plane in the present embodiment with the plane parallel that is become with 12b by cramp bar 12a), therefore when when second rotary position moves, the masterpiece according to direction x1 is used on spring 23a and the 23b.When Locking Device 13 was in the unlocked position, head propped up by part 11 and can move according to direction z1 or z2.Can see that in Fig. 3,5 and 6 sliding part 15 passes the hole 30 among operating element 19a and the 19b.
Head prop up be moved into desired height by part 11 after, just manipulation operations element 18 no longer.Because its reset force, spring 23a and 23b move into engage position, and simultaneously by contact surface 24 is applied a power according to direction x2, and operating element 19a and 19b are turned round according to direction u2.At this moment, because the mating reaction of dip plane 20a and 16a and 20b and 16b, sliding part 15 and executive component 18 move according to direction y2 and turn back to reference position.
Fig. 7 illustrates second embodiment.The difference of the embodiment that illustrates among this second embodiment and Fig. 1-6 only is: headrest 10 is provided with a spring 31 with one of free end zone 28a and 28b and fixed area 29, replace spring 23a and 23b, but wherein end regions 28a can mesh with cramp bar 12a and end regions 28b with cramp bar 12b loose-style.
Fig. 8-12 illustrates the 3rd embodiment.In this embodiment for clarity and not shownly go out head and prop up by part.It is to be fixed on the basic component 45 that head props up by part.By cramp bar 12a and 12b are bearing among supporting base 35a and the 35b, basic component 45 relative cramp bar 12a and 12b can adjust height.In a second embodiment, Locking Device 13 comprises operating element 19a and 19b.In the present embodiment, operating element 19a can be bearing on the basic component 45 around axis of revolution a3 pivotally around axis of revolution a2 and operating element 19b.In the present embodiment, for example axis of revolution a2 and a3 and x-axle parallel orientation.According to unshowned optional form of implementation, axis of revolution a2 and a3 also can be provided with in an angle with x-axle shape.
As shown in Figure 8, spring 41 is fixed positioned on the basic component 45 by supporting 42a and 42b at central fixed area 29 places.Among the opening 49a among the end regions 28a embedding basic component 45 upper supports zone 51a of spring 41, and end regions 28b passes the opening 49b among the support region 51b.By opening 49a and 49b, the draw-in groove 27 of the draw-in groove 27 of end regions 28a and cramp bar 12a and end regions 28b and cramp bar 12b can mesh or jump out of mesh.The inside face of opening 49a and 49b plays the effect of guiding to end regions 28a and 28b.This guiding allows end regions 28a and 28b only along direction x1, and x2 moves.
Locking Device 13 is to realize by an executive component that is not illustrated by lock position (seeing Fig. 8,8a, 9 and 11) to the mobile of unlocked position (seeing Figure 10 and 12).By handling this executive component, push rod 36 is moved according to direction y1.Push rod 36 pass in the protrusion 43 hole 44 and in this way can be according to direction y1, y2 is supported movably.Push rod 36 is kept in touch with operating element 19b.Push rod 36 according to the mobile operating element 19b that causes of direction y1 around the rotation of axis of revolution a3 according to direction v1.
Because realized that by connecting rod 37 motion connects, operating element 19b rotates according to direction v1 around axis of revolution a2 according to the mobile operating element 19a that makes of direction v1.
When Locking Device 13 is in lock position, the end regions 28a of spring 41 and 28b are in the draw-in groove zone 50 of control arm 40a and 40b and (for example see Fig. 8 a), and when being in the unlocked position, end regions 28b contacts with the dip plane 47 of operating element 19b and end regions 28a contacts (seeing Figure 10 and 12) with the dip plane 46 of operating element 19a.
Below Locking Device 13 being entered the mobile of unlocked position by operating element 19a describes.
Shown in Fig. 8 a, Locking Device is in lock position.End regions 28a is in engage position.Can see that in Fig. 8 a the dip plane 46 of operating element 19a and 19b favours plane E and forms angle α 2, dip plane 47 favours plane E and forms angle α 1.Plane E is parallel to the plane that become with the z-axle by the y-axle.In the present embodiment, angle α 2 is the same with angle α 1 size.Perhaps, also can select to make angle α 2 be different from angle α 1.
When operating element 19a revolution entered second rotary position and end regions 28a and contacts with dip plane 47, then according to power that acts on the end regions 28a of direction x1 generation, it made end regions 28a move and enter disengaged orientation according to direction x1.
The release of end regions 28b is realized by same mode by operating element 19b.For operating element 19b, the difference of function is: the dip plane 46 of control arm 40b contacts with end regions 28b and makes end regions 28b move into disengaged orientation according to direction x1.
As long as the not shown executive component that goes out no longer to push rod 36 according to the direction y1 application of force, the elastic reset power of spring element 41 just makes Locking Device be displaced to lock position.Because the effect of this reset force, end regions 28a and 28b move according to direction x2, and wherein, operating element 19a and 19b are turned back to first rotary position according to direction v2 from second rotary position, till end regions 28a and 28b are in the draw-in groove zone 50.In case 27 engagements of end regions 28a and 28b and draw-in groove, head props up just no longer can be along direction z1 by part 11, the z2 adjustment that is shifted.
Claims (12)
1. headrests for vehicular seats, it comprises that head props up by part (11), this head props up that (12a 12b) is installed in to adjustable height on the backrest of seat by at least one cramp bar by part; Be provided with a Locking Device (13), by this Locking Device, headrest (10) can be locked on the different height and positions, and described Locking Device (13) comprises draw-in groove (27) and at least one the locking member (23a that is configured on the described cramp bar, 23b, 31,41), this locking member (23a, 23b, 31,41) can be with draw-in groove (27) but one of the loose-style engagement, move to prevent that described head from propping up to go up at least one direction (z2) by part (11); Described Locking Device (13) also comprises an operating control (14) in addition, and by this operating control, described Locking Device (13) can move between lock position and unlocked position; It is characterized in that: described operating control (14) comprises that at least one is bearing in the operating element on the described headrest pivotally, by this operating element, (28a 28b) can go up move and breaks away to go up with the engagement of draw-in groove (27) or in second direction (x2) and move and mesh with draw-in groove (27) at first direction (x1) at least one zone of described locking member.
2. headrest as claimed in claim 1 is characterized in that: (19a 19b) is configured to lever to described operating element.
3. headrest as claimed in claim 1 or 2 is characterized in that: described operating control comprises a control setup, and by this control setup, (19a 19b) can move between first rotary position and second rotary position described operating element.
4. headrest as claimed in claim 3 is characterized in that: but described control setup comprises the control element that at least one is constructed to the sliding part of motion of translation (15) or is constructed to S. A..
5. each described headrest of claim as described above, it is characterized in that: described operating control (14) comprises a converter (16a, 16b, 17a, 17b, 20a, 20b, 21a, 21b), by this converter, straight-line motion can be converted into to rotatablely move or rotatablely move and can be converted into straight-line motion.
6. each described headrest of claim as described above, it is characterized in that: described operating control (14) comprises at least two operating element (19a, 19b), and, first operating element (19a) and locking member (23a, 23b, 31,41) (28a) mating reaction of first area and second operating element (19b) and locking member (23a, 23b, 31,41) second area (28b) mating reaction.
7. each described headrest of claim as described above, it is characterized in that: described operating control (14) comprises a coupling (37,15), by this coupling, (19a 19b) can move when the described operating control of operation (14) each operating element simultaneously.
8. each described headrest of claim as described above, it is characterized in that: described locking member (23a, 23b, 31,41) is constructed to spring, especially torsion bar spring.
9. headrest as claimed in claim 8 is characterized in that: the second area (28b) of the first area (28a) of described spring (31,41) and (12a) mating reaction of first cramp bar and described spring (31,41) and second cramp bar (12b) mating reaction.
10. headrest as claimed in claim 8 is characterized in that: the second area (28b) of the first area (28a) of first spring (23a) and (12a) mating reaction of first cramp bar and second spring (23b) and second cramp bar (12b) mating reaction.
11. the described headrest of each of claim as described above is characterized in that: (19a is 19b) with free end zone (28a, 28b) mating reaction of spring for described operating element.
12. each the described headrest as claim 1 to 10 is characterized in that: be provided with two bearings that are spaced apart from each other, and, described operating element and spring be configured in central region mating reaction between the described bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010022293.3 | 2010-05-31 | ||
| DE102010022293A DE102010022293B4 (en) | 2010-05-31 | 2010-05-31 | headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102259607A true CN102259607A (en) | 2011-11-30 |
| CN102259607B CN102259607B (en) | 2015-09-09 |
Family
ID=44924581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110126306.8A Active CN102259607B (en) | 2010-05-31 | 2011-05-16 | Headrest |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8573703B2 (en) |
| CN (1) | CN102259607B (en) |
| DE (1) | DE102010022293B4 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228630A (en) * | 2013-06-06 | 2014-12-24 | 格瑞玛股份公司 | Headrest |
| CN106541865A (en) * | 2015-09-23 | 2017-03-29 | 福特全球技术公司 | Adjustable headrest |
| CN108248472A (en) * | 2018-02-05 | 2018-07-06 | 山东科技职业学院 | A kind of automotive headrest regulating device |
| CN108382279A (en) * | 2018-03-20 | 2018-08-10 | 广汽零部件有限公司 | A kind of bolt-type chair headrest four-way regulating mechanism |
| CN108601454A (en) * | 2016-02-03 | 2018-09-28 | 安道拓卢森堡控股有限公司 | Vehicle seat head rest with bar release |
| CN110584909A (en) * | 2019-09-20 | 2019-12-20 | 江苏医药职业学院 | Medical care bed for emergency and critical care |
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| DE102010035429B4 (en) * | 2010-08-26 | 2012-09-06 | Johnson Controls Gmbh | Locking device for a headrest |
| DE102011009289B4 (en) * | 2010-12-23 | 2012-08-09 | Grammer Aktiengesellschaft | Headrest for vehicle seats |
| EP2939873A4 (en) * | 2012-12-28 | 2016-08-17 | Ts Tech Co Ltd | Headrest |
| DE102013005245B4 (en) | 2013-03-27 | 2018-08-09 | Grammer Ag | Locking device for locking at least one support rod of a headrest on a vehicle part |
| DE102013007633B4 (en) * | 2013-05-06 | 2022-01-05 | Grammer Aktiengesellschaft | Headrest with locking device |
| DE102015100751A1 (en) * | 2015-01-20 | 2016-07-21 | Illinois Tool Works Inc. | Device for variably fixing a headrest to a seat of a vehicle |
| DE102015002493B4 (en) * | 2015-02-27 | 2022-10-13 | Grammer Aktiengesellschaft | headrest |
| DE102016208533B4 (en) | 2016-05-18 | 2022-11-10 | Lear Corporation | Adjustable headrest assembly for vehicle seats |
| DE102017211720B4 (en) * | 2016-07-20 | 2022-06-30 | Lear Corporation | Seat assembly with an adjustable headrest assembly |
| EP3315355B1 (en) * | 2016-10-26 | 2021-12-08 | Volvo Car Corporation | A vehicle seat and a head rest for a vehicle seat |
| US11142108B2 (en) | 2018-04-20 | 2021-10-12 | Daimay North America Automotive, Inc. | Bushing arrangement for headrest assembly |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228630A (en) * | 2013-06-06 | 2014-12-24 | 格瑞玛股份公司 | Headrest |
| CN104228630B (en) * | 2013-06-06 | 2017-12-19 | 格瑞玛股份公司 | headrest |
| CN106541865A (en) * | 2015-09-23 | 2017-03-29 | 福特全球技术公司 | Adjustable headrest |
| CN108601454A (en) * | 2016-02-03 | 2018-09-28 | 安道拓卢森堡控股有限公司 | Vehicle seat head rest with bar release |
| CN108601454B (en) * | 2016-02-03 | 2022-07-08 | 安道拓卢森堡控股有限公司 | Vehicle seat headrest with lever release |
| CN108248472A (en) * | 2018-02-05 | 2018-07-06 | 山东科技职业学院 | A kind of automotive headrest regulating device |
| CN108382279A (en) * | 2018-03-20 | 2018-08-10 | 广汽零部件有限公司 | A kind of bolt-type chair headrest four-way regulating mechanism |
| CN108382279B (en) * | 2018-03-20 | 2023-07-21 | 广汽零部件有限公司 | Four-way adjusting mechanism of plug-pin type seat headrest |
| CN110584909A (en) * | 2019-09-20 | 2019-12-20 | 江苏医药职业学院 | Medical care bed for emergency and critical care |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102259607B (en) | 2015-09-09 |
| DE102010022293A1 (en) | 2011-12-01 |
| US8573703B2 (en) | 2013-11-05 |
| US20110291456A1 (en) | 2011-12-01 |
| DE102010022293B4 (en) | 2012-08-09 |
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